Note:
The speed faster and the torque smaller,In turn,The speed slower and the torque greater
The working current of high-speed motor is relatively large, which is easy to burn out, and the reliability of low-speed motor is better
This gearbox left and right there is no difference, change the positive and negative can change the direction of the gearbox
550 the power and torque greater than 390
Voltage: 6V /12V
Power:
550 35-45W
390 25-30W
